1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011 4 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 5 */ 6 7 #ifndef __CONFIG_KEYMILE_POWERPC_H 8 #define __CONFIG_KEYMILE_POWERPC_H 9 10 /* Do boardspecific init for all boards */ 11 12 #define CONFIG_JFFS2_CMDLINE 13 14 /* standard km ethernet_present for piggy */ 15 #define CONFIG_KM_COMMON_ETH_INIT 16 17 /* EEprom support 24C08, 24C16, 24C64 */ 18 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE 19 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 /* 8 Byte write page */ 20 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 21 22 #define CONFIG_ENV_SIZE 0x04000 /* Size of Environment */ 23 24 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ 25 26 #define CONFIG_SYS_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ 27 28 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ 29 30 /* Reserve 4 MB for malloc */ 31 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) 32 33 /****************************************************************************** 34 * (PRAM usage) 35 * ... ------------------------------------------------------- 36 * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM 37 * ... |<------------------- pram -------------------------->| 38 * ... ------------------------------------------------------- 39 * @END_OF_RAM: 40 * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose 41 * @CONFIG_KM_PHRAM: address for /var 42 * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application) 43 * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM 44 */ 45 46 /* size of rootfs in RAM */ 47 #define CONFIG_KM_ROOTFSSIZE 0x0 48 /* pseudo-non volatile RAM [hex] */ 49 #define CONFIG_KM_PNVRAM 0x80000 50 /* physical RAM MTD size [hex] */ 51 #define CONFIG_KM_PHRAM 0x100000 52 /* resereved pram area at the end of memroy [hex] */ 53 #define CONFIG_KM_RESERVED_PRAM 0x0 54 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable 55 * is not valid yet, which is the case for when u-boot copies itself to RAM */ 56 #define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10) 57 58 #define CONFIG_KM_CRAMFS_ADDR 0xC00000 59 #define CONFIG_KM_KERNEL_ADDR 0x400000 /* 7680Kbytes */ 60 #define CONFIG_KM_FDT_ADDR 0xB80000 /* 512Kbytes */ 61 62 /* architecture specific default bootargs */ 63 #define CONFIG_KM_DEF_BOOT_ARGS_CPU "" 64 65 #define CONFIG_KM_DEF_ENV_CPU \ 66 "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0" \ 67 "update=" \ 68 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\ 69 "erase " __stringify(BOOTFLASH_START) " +${filesize} && "\ 70 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START) \ 71 " ${filesize} && " \ 72 "protect on " __stringify(BOOTFLASH_START) " +${filesize}\0"\ 73 "set_fdthigh=true\0" \ 74 "checkfdt=true\0" \ 75 "" 76 77 #endif /* __CONFIG_KEYMILE_POWERPC_H */ 78